//下拉菜单相关代码
 var h;
 var w;
 var l;
 var t;
 var topMar = 1;
 var leftMar = -20;
 var space = 1;
 var isvisible;
 var MENU_SHADOW_COLOR='#999999';
 var global = window.document
 global.fo_currentMenu = null
 global.fo_shadows = new Array

function HideMenu() 
{
 var mX;
 var mY;
 var vDiv;
 var mDiv;
	if (isvisible == true)
{
		vDiv = document.all("menuDiv");
		mX = window.event.clientX + document.body.scrollLeft;
		mY = window.event.clientY + document.body.scrollTop;
		if ((mX < parseInt(vDiv.style.left)) || (mX > parseInt(vDiv.style.left)+vDiv.offsetWidth) || (mY < parseInt(vDiv.style.top)-h) || (mY > parseInt(vDiv.style.top)+vDiv.offsetHeight)){
			vDiv.style.visibility = "hidden";
			isvisible = false;
		}
}
}

function ShowMenu(vMnuCode,tWidth) {
	vSrc = window.event.srcElement;
	vMnuCode = "<table id='submenu' cellspacing=1 cellpadding=3 style='width:"+tWidth+"' class=tableborder1 onmouseout='HideMenu()'><tr height=23><td nowrap align=center class=tablebody1>" + vMnuCode + "</td></tr></table>";

	h = vSrc.offsetHeight;
	w = vSrc.offsetWidth;
	l = vSrc.offsetLeft + leftMar+4;
	t = vSrc.offsetTop + topMar + h + space-2;
	vParent = vSrc.offsetParent;
	while (vParent.tagName.toUpperCase() != "BODY")
	{
		l += vParent.offsetLeft;
		t += vParent.offsetTop;
		vParent = vParent.offsetParent;
	}

	menuDiv.innerHTML = vMnuCode;
	menuDiv.style.top = t;
	menuDiv.style.left = l;
	menuDiv.style.visibility = "visible";
	isvisible = true;
    makeRectangularDropShadow(submenu, MENU_SHADOW_COLOR, 3)
}

function makeRectangularDropShadow(el, color, size)
{
	var i;
	for (i=size; i>0; i--)
	{
		var rect = document.createElement('div');
		var rs = rect.style
		rs.position = 'absolute';
		rs.left = (el.style.posLeft + i) + 'px';
		rs.top = (el.style.posTop + i) + 'px';
		rs.width = el.offsetWidth + 'px';
		rs.height = el.offsetHeight + 'px';
		rs.zIndex = el.style.zIndex - i;
		rs.backgroundColor = color;
		var opacity = 1 - i / (i + 1);
		rs.filter = 'alpha(opacity=' + (100 * opacity) + ')';
		el.insertAdjacentElement('afterEnd', rect);
		global.fo_shadows[global.fo_shadows.length] = rect;
	}
}

//企业简介菜单
var catemenu1='<table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"Companyinfo.asp?classID=2\">企业简介</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"Companyinfo.asp?classID=3\">企业文化</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"Companyinfo.asp?classID=6\">联系我们</a></td></tr></table>'
//新闻资讯菜单
var catemenu7='<table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"SoftList.asp?classID=7&SubID=8\">企业新闻</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"SoftList.asp?classID=7&SubID=9\">企业公告</a></td></tr></table>'
//产品展示菜单
var catemenu10='<table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"sort.asp?classID=11\">汽油机油</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"sort.asp?classID=12\">柴油机油</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"sort.asp?classID=13\">齿轮/变速箱油</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"sort.asp?classID=14\">防冻冷却液</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"sort.asp?classID=15\">润滑脂/制动液</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"sort.asp?classID=16\">工业用油</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"sort.asp?classID=17\">推荐用油</a></td></tr></table>'
//油品知识菜单
var catemenu18='<table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"oilinfo.asp?classID=19\">油品知识</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"oilinfo.asp?classID=20\">专家指导</a></td></tr></table>'
//企业荣誉菜单
var catemenu21='<table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"hornor.asp?classID=22\">荣誉证书</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"hornor.asp?classID=23\">OEM国际认证</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"hornor.asp?classID=24\">海湾国际认证</a></td></tr></table>'
//人才招聘菜单
var catemenu26='<table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"job.asp?classID=28\">人才招聘</a></td></tr></table>'
//服务中心菜单
var catemenu29='<table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"service.asp?classID=30\">用户留言</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"service.asp?classID=32\">防伪查询</a></td></tr></table><table><tr><td><a style=font-size:9pt;line-height:12pt; href=\"service.asp?classID=33\">防窜货查询</a></td></tr></table>'